/* 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */function ejecutarajax(Str){
                var conexion;
                if (window.XMLHttpRequest){
                    conexion = new XMLHttpRequest();
                }else 
                {
                    conexion=new ActiveXObject("Microsoft.XMLHTTP");
                }
                
                conexion.onreadystatechange=function(){
                        if(conexion.readyState==4 && conexion.status==200){
                                document.getElementById("midiv").innerHTML=conexion.responseText;
                        }
                }
                conexion.open("GET","validacionMesDia?opcion="+Str,true);
                conexion.send();
        }



